Comparison

Fasting Timer & Hydration Log vs Mend

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Fasting Timer & Hydration Log

Features
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An intermittent fasting timer that tells you exactly where you are: hours elapsed, hours left, and which metabolic stage your body just entered. Most fasting apps stop at a countdown. This one draws the whole fast on a stage timeline โ€” fed state at 0h, glycogen use at 4h, fat burning at 8h, ketosis at 12h, autophagy at 16h, deep ketosis at 24h โ€” so the number on screen finally means something. Underneath it sits a hydration log, because water is what makes the last four hours bearable, and a Learn library that answers the questions every beginner hits in week one. WHAT YOU GET - Know your fasting window at a glance: a live ring timer with hours elapsed, time remaining and the exact clock time your eating window opens - Follow your body, not just the clock โ€” a metabolic stage timeline that fills in as you pass 4h, 8h, 12h, 16h and 24h - Start in two taps with 16:8, 18:6, 20:4 or OMAD 23:1, and get a completion notification the moment you hit your goal - Hit your water target every day โ€” a 250 / 500 / 750 ml quick-add, a custom amount, an adjustable daily goal and a progress ring for today - See whether it is working: total fasts, average length, longest fast, a consecutive-day streak and a bar chart of your last ten fasts - Close each fast honestly โ€” rate how it felt and your energy level from 1 to 5, then browse the full history of every fast you finished PERFECT FOR - Beginners starting 16:8 who want to know what is happening inside the fast, not just when it ends - OMAD and 20:4 fasters chasing longer ketosis and autophagy windows - Anyone who keeps forgetting to drink water once meals disappear from the day - People who quit fasting before because the hours felt pointless and invisible WHY NOT JUST USE A KITCHEN TIMER? A timer tells you 6:42 is left. It cannot tell you that you crossed into fat burning two hours ago, when your eating window opens tomorrow, how long your streak is, or whether last week's fasts were actually longer than this week's. That context is the difference between counting down and building a habit. PRIVACY Everything stays on your iPhone. No account, no sign-up, no servers โ€” your fasts, water logs and notes are stored on the device and are never uploaded. FULL ACCESS This is a paid app: one plan unlocks everything โ€” all four fasting protocols, the live timer and stage timeline, unlimited history, insights and charts, the hydration log and the full Learn library. Choose weekly, yearly, or a one-time lifetime purchase. No ads at any tier. This app is a fasting timer and hydration log for general wellness, not medical advice. Talk to a doctor before fasting, especially if you are pregnant, diabetic or managing a health condition. Pick 16:8, tap Start, and watch your first stage light up tonight. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? tphuc.work@gmail.com

About

Mend

Features
Read full description

Mend is the simplest way to track your intermittent fast. draining your wallet every month. FASTING PROTOCOLS โ€ข 12:12 โ€” Beginner friendly โ€ข 16:8 โ€” Most popular โ€ข 18:6 โ€” Intermediate โ€ข 20:4 โ€” Advanced โ€ข OMAD โ€” One meal a day โ€ข Custom โ€” Set your own hours (Pro) ALWAYS ON The timer keeps running in the background. Kill the app, restart your phone โ€” Mend picks up exactly where you left off. LOCK SCREEN & HOME SCREEN Live Activities keep your countdown on the lock screen while you fast. The home screen widget shows your progress at a glance. MEND PRO โ€” $3.99, ONE TIME Unlock the full experience with a single purchase. No subscription. Ever. โ€ข Full fasting history โ€” last 30 fasts โ€ข Detailed stats and streaks โ€ข Custom fasting protocols Your body heals itself when you give it space to rest. Mend helps you track that time.

Screenshots

Fasting Timer & Hydration Log4 screens
Mend4 screens

Verdict

The call

The clearest difference is in-app purchases: Fasting Timer & Hydration Log at none against Mend's 1. Mend's advantage is update cadence (every 6 days vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Mend sells 1 one-off in-app purchase. Fasting Timer & Hydration Log asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting Timer & Hydration Log ships an update every 5 weeks, Mend every 6 days. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard3 real differences ยท 3 level
Fasting Timer & Hydration Log versus Mend: the parameters behind the verdict, then further details
ParameterFasting Timer & Hydration LogMend
PriceFreeFree
Update frequencyEvery 5 weeksEvery 6 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size5 MB2 MB
Age rating4+4+
DeveloperPhuc PhamRyan Roberts

In-app purchases

None

Fasting Timer & Hydration Log

No in-app purchases

1 purchases

Mend

One-time1
  • Mend Pro$3.99

Questions

Is Fasting Timer & Hydration Log free?
Fasting Timer & Hydration Log is free to download, with no in-app purchases.
Is Mend free?
Mend is free to download, with in-app purchases available.
Do Fasting Timer & Hydration Log or Mend have ads?
Neither Fasting Timer & Hydration Log nor Mend shows ads.
Which is updated more often, Fasting Timer & Hydration Log or Mend?
Fasting Timer & Hydration Log ships an update every 5 weeks, and Mend every 6 days. Most recently, Fasting Timer & Hydration Log was updated on September 21, 2026 and Mend on September 13, 2026.

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